Where did diseases originate from New World or old world?

The final section of the paper offers concluding thoughts. The list of infectious diseases that spread from the Old World to the New is long; the major killers include smallpox, measles, whooping cough, chicken pox, bubonic plague, typhus, and malaria

The final section of the paper offers concluding thoughts. The list of infectious diseases that spread from the Old World to the New is long; the major killers include smallpox, measles, whooping cough, chicken pox, bubonic plague, typhus, and malaria.

New world to Old world.

answer; (c) slaves brought to the americans from africa;